ENH: Update ITK C++ default tag to v5.4.4

To build against with C++ tests.

Author: thewtex

.github/workflows/build-test-cxx.yml

@@ -23,7 +23,7 @@ on:
         description: 'Git version tag or commit hash for the base ITK build'
         required: false
         type: string
-        default: 'v5.4.3'
+        default: 'v5.4.4'
       itk-module-deps:
         description: 'Colon-delimited list of ITK remote module dependencies to build. Format as module_name@tag:...'
         # example: MeshToPolyData@3ad8f08:[email protected]